import java.util.concurrent.atomic.AtomicInteger;

public class Work3 {
    //static int a;

    public static void main(String[] args) throws InterruptedException {
        AtomicInteger a = new AtomicInteger(0);

        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 5000; i++) {
                a.getAndIncrement();
            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 5000; i++) {
                a.getAndIncrement();
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(a);
    }
}
